condition	mean	min	max
0 h after light	9.105205	8.11661	10.0938
4 h after light	24.44095	18.2515	30.6304
8 h after light	17.07505	13.1056	21.0445
4 h after dark	17.0855	12.3696	21.8014
8 h after dark	15.23395	12.9556	17.5123
12 h after dark	10.35179	6.98768	13.7159